Key Fob Replacement and Repair
Modern car key fobs are utilized often and are often misused. Sometimes, an easy repair or replacement is all you need to make them work again.
Most fobs use flat watch-style batteries, which are readily available in hardware stores and auto parts retailers. But before you call an expert, you can try a few DIY fixes!
Dead Key Fob Battery
The battery of the key fob powers your remote in your car and, in push-to-start vehicles, it can start your engine. As a result, it is essential to keep a healthy, working battery. A dead key fob can be an issue for anyone in the middle of nowhere. A simple, affordable replacement can fix the issue quickly.
The loss of range and signal strength are the most common signs that a keyfob battery is dying. You may also be noticing that the buttons on your fob don't work or require additional effort to turn on.
You will often find an updated key fob battery in the auto parts section of a large box retailer or online. Typically, they are CR2032 or CR2025 batteries that are available in packs of two or more. However, it's a good idea to consult your owner's manual before you shop for the correct battery for your device. Certain cars require a specific size or kind of battery that's not always available at big-box retailers, so be sure to be aware of the correct specifications before you buy.
Typically the battery is placed on the back of your key fob and is removed by tearing the case open using a flat-blade screwdriver. It is likely to look like the shape of a small coin, and be labelled with the battery's size. Be sure to note which way the plus and minus symbols are positioned to ensure that the new battery is placed correctly. After the battery has been replaced then gently snap the two pieces of the fob back together. Then test the buttons.
If your key fob still doesn't work after replacing the battery, it may be deprogrammed. In this case you'll need to call a locksmith for help, which will cost some more than replacing the battery of your key fob.
If the battery in your fob is failing or you're experiencing other issues with your key fob, an experienced mechanic like one from YourMechanic can inspect and repair it to get you back on the road. Make sure you check out the range of services we offer in your area and schedule an appointment now!
Weak Signals
If your key fob does not respond to the buttons on the remote, it could indicate that the signaling isn't functioning properly. Your car and key fob depend on radio signals to communicate, therefore weak or inconsistent signals can result in poor performance and range.
One of the first things to examine is whether your fob's battery is insufficient, as this can significantly affect the sensitivity of the signal. It's also worth resetting the settings of your fob, which can help to bring back an even and consistent response from the car. The procedure will differ from vehicle to vehicle. Your owner's guide or a phone call to your manufacturer's support line is your best source of information.
Other factors can cause weak fob signals, for example, interference from other devices operating on the same frequency as your key fob. Power lines, other key fobs, wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver in your vehicle.
Additionally, physical damage to your key fob may also interfere with the transmission of RF signals which may result in poor range and performance. A blown fuse, a broken or cracked button or a bent case of the fob may all affect the signal transmission and cause the remote to function properly.
You can attempt to resolve the issue by resetting the fob's settings or by replacing the battery. If your fob has become old and worn out, it might be the right time to replace it.
Don't forget to remember that if you have a spare key fob that comes with your vehicle, this can be used instead of the primary remote in case it starts to fail. It's a good idea to try this method to see if it can solve the issue before you invest in a new one. If not, it might be the right time to consult a professional auto locksmith. They will be able to determine the cause and recommend the best course of action.
Physical Damage
It's not unusual for key fobs to encounter issues from time to time. The majority of these issues aren't complex or serious and can be resolved with just a few steps. It's recommended to have spare batteries or even another fob available in case one of your keys ever fails to work.
A dead battery is the most common reason for a car keyfob not working. These tiny devices are powered by lithium-ion button or coin cell batteries. They are easily replaced and are available at most pharmacies and grocery stores. You can open the case of the fob using a screwdriver with a flat head, and gently pry out your existing battery. Replace the battery, ensuring it's not damaged or loosened. Most fobs use CR2032 batteries. However, yours might require a different kind.
The fob may not be responding to buttons after losing its pairing with the car. This could be due to a variety of factors like changing the batteries. However, an auto Locksmith or a local dealership can usually repair the issue.
If none of the solutions above work, you can try this method: disconnect the batteries from the car and the fob for a few minutes and then reconnect them in a reverse order. This could cause the system to reboot, and in some instances it can fix the issue without additional steps.
Keep the fob out of water or other sources of harm while you're trying out new techniques. A fob is durable, but you should treat it with care to ensure it lasts as long as it can.
If the above troubleshooting suggestions don't help, it might be time to replace your key fob. If it's been dropped or tripped on, or subjected to other environmental hazards, it could be damaged beyond repair and in need of an upgrade. If this is the case, be sure to shop around to find a bargain before making your final decision.
Lost Fob
Even with the best of care keys to cars will occasionally stop working. It's expensive to replace yours if you lose it particularly in the event that you don't have an extra. "You might end up paying $50 or more for an equivalent replacement from the dealer and have it programmed, as well as a new mechanical backup, which will cost at most another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob to stop working is a simple problem, such as a weak battery. You can try changing the battery on your own If you are familiar with the procedure or consult the owner's manual. If this doesn't resolve the issue, it's time to call in an expert.
A locksmith can assist you to find or replace your lost key fob. car key remote repairs 'll also have an idea of the reason your fob stopped working in the first place. If your car is old and doesn't have smart technology built in however, you can save money by recording the key number plate from your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. If you need to reprogram the key fob in your car the locksmith can do it more easily.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or a car dealer. This can cost more than simply replacing it. That's because modern key fobs use rolling-code encryption to stop thieves from getting into the car. This means that locksmiths must have a special software program which is only available to car manufacturers, which increases the cost.
In the majority of instances, you'll have to pay for the entire service at once, including the cost of programming a new key fob. Depending on the vehicle it could cost anywhere from around $20 at certain stores to $200 or more at a car dealer.